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3y - 6 = 0
3y = 6
y = 2
y = 2x - 5
2 = 2x - 5
7 = 2x
3,5 = x
HP {(3,5 ,2)}
2.
2x - y = 2
3x - y = 5
dikurangi, hasilnya
-x = 3
x =3
2x - y = 2
2.3 - y = 2
6 - y = 2
y = 4
HP {(3,4)}